To: All persons and/or entities who purchased common stock in Energy Recovery [ERII] during the period from Mar 7, 2013 to Mar 5, 2015, and were damaged thereby; a settlement has been announced in the securities litigation known as Energy Recovery, Inc. Securities Litigation, Civil Action No. 3:15-cv-00265-EMC, United States District Court for the Northern District of California. For additional information about this settlement, please see the Notice and Proof of Claim (links provided below):

• Notice of Pendency and Proposed Settlement of Class Action and Settlement Fairness Hearing;
• Proof of Claim and Release.

Claim submission deadline is August 4, 2017.

If you have any questions about the settlement, please contact the Claims Administrator. Their contact information can be found in the attached Notice.